- M3-RT retreatment files are designed to remove filling materials, such as gutta-percha, carriers and paste fillers, prior to reshaping procedures. - The technique for removing a carrier core obturator or gutta-percha alone is the same. - Designed to be used in sequence to remove filling materials. - Pack contains : - M3RT1:yellow 25mm. - M3RT2:Red 18MM. - M3RT3:Blue 16mm. **For further product information , please contact Chat Support**